Where does “nonswitch” come from?

nonswitch (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonswitch (English): Not involving a switch or substitution

Definitions

Not involving a switch or substitution

Ancestry of “nonswitch”, step by step

nonswitch traces back through two separate lines of ancestry.

via English non

Step	Language	Word	Meaning
1	English	non	Obsolete form of none
2	French	non	no; not; a no, a negative response
3	Old French	non	no; not; Alternative form of nom
4	Latin	nōn	not
5	Old Latin	noenum	—
6	Proto-Indo-European	óynos	one; single

via English switch

Step	Language	Word	Meaning
1	English	switch	A device to turn electric current on and off or...
2	Middle Dutch	swijch	twig

Every word from Proto-Indo-European óynos →